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For people on-the-go, Voca lets them send text messages by voice, eliminating the need to type.

2 Month MVP | Work Project | Live on the Play Store

Project Overview

The Problem

Texting by hand is often tedious and mistake prone, especially when in a hurry. Why can't texting be as easy as talking? We wanted to create a product that allowed the composing and editing of messages by voice to be intuitive.

My Role

I was the Product Designer throughout the project (from idea conception to the present), working directly with the Product Manager. 

The Users

Initial users were users that used the Robin voice assistant app. We then further refined the target user to be drivers who used voice apps while driving.

The Design Process

Contact Screen

The first step a user has to do before sending a message is to select the contact they want to text. 

Early sketches of the contact screen.

Finished contact screen with the newest messages coming in on top. (right) We experimented with having new messages come in on bottom; I initially thought it would be easier to reach the new messages with one hand, but it confused users so we reverted to the standard order of having the most recent on top.

Finished contact screen. 


Dictation Screen

Perhaps the key screen in the app, is the dictation screen. Some key considerations:

• How does the user turn on and off the microphone?

• How does the user know when the microphone is on or off?

• How does the user intuitively edit their message?

• Finally, how does the user send the message?

a few early animation sketches


Previous Messages

My initial design had the message thread in a drawer to the right, so that it was easily available by swiping left from the dictation screen, but this design was not direct enough. The last message needed to be right there on the page without requiring the user to do an extra swipe to view the message thread.

To give the message thread greater visibility, we moved them to the top of the screen where the last few words of the conversation are always in sight, with the full conversation available by swiping down. 

Early sketch of deciding how to implement previous messages with the dictation screen.

message thread available by swiping left


This is one of my favorite projects because of how simple and intuitive the app is.

Also, users have responded really well to the app, and it has an average of 4 stars on the Play Store.

“This app is great! I love that if you don't want to speak your texts at the moment you don't have to jump through firey rings with glass on the other side to switch to keyboard I made this my default messaging app mainly because I drive a truck and its safer to speak texts this app does what I need with Big buttons so I don't have to squint to send a message”  — Tom Steketee, Playstore Review